Microchip Technology

MCP23S08T-E/SO  

I/O Expanders

MCP23S08T-E/SO Description

The MCP23S08T-E/SO is a high-performance I/O expander developed by Microchip Technology. This 8-bit device features an SPI interface and operates at a clock frequency of 10 MHz, making it suitable for applications requiring high-speed data transfer. With a wide supply voltage range of 1.8V to 5.5V, it can be easily integrated into various electronic systems. The device is surface-mountable, allowing for compact and efficient PCB layouts.

MCP23S08T-E/SO Features

• 8 I/O Lines: The MCP23S08T-E/SO provides 8 general-purpose I/O lines, offering flexibility in connecting various peripherals and sensors.
• SPI Interface: The device uses a 4-wire SPI interface, simplifying connections and reducing pin count compared to parallel interfaces.
• 10 MHz Clock Frequency: The high clock frequency enables fast data transfer rates, making it suitable for applications with high-speed requirements.
• 25mA Source/Sink Current: Each I/O line can source or sink up to 25mA, ensuring reliable operation with various loads.
• Interrupt Output: The MCP23S08T-E/SO features an interrupt output, allowing the microcontroller to be notified of events without polling the I/O lines.
• POR Feature: The device includes a power-on reset (POR) feature, ensuring stable operation after power-up.
• RoHS Compliance: The MCP23S08T-E/SO is compliant with RoHS3, making it suitable for environmentally conscious designs.

MCP23S08T-E/SO Applications

The MCP23S08T-E/SO is ideal for a wide range of applications where I/O expansion is required. Some specific use cases include:

1. Industrial Automation: The device can be used to interface with various sensors and actuators in industrial control systems, benefiting from its high-speed SPI interface and robust I/O capabilities.
2. Home Automation: In smart home applications, the MCP23S08T-E/SO can be used to expand the number of controllable devices, such as lights, switches, and sensors, while maintaining a compact form factor.
3. Medical Devices: The device's ability to handle multiple I/O lines and provide interrupt outputs makes it suitable for medical equipment that requires monitoring and control of various parameters.
4. Automotive Applications: The MCP23S08T-E/SO can be used in automotive systems to interface with various sensors and actuators, taking advantage of its wide supply voltage range and robust I/O capabilities.

Conclusion of MCP23S08T-E/SO

The MCP23S08T-E/SO is a versatile I/O expander that offers high-speed SPI communication, robust I/O capabilities, and a wide supply voltage range. Its unique features, such as the interrupt output and POR, make it an excellent choice for applications requiring reliable and efficient I/O expansion. With its RoHS compliance and compact surface-mount package, the MCP23S08T-E/SO is well-suited for a variety of electronic systems, from industrial automation to home automation and beyond.

MCP23S08T-E/SO Documents

Download datasheets and manufacturer documentation for MCP23S08T-E/SO

PCN Assembly/Origin :

Die Attach Material 13/Feb/2021      

Datasheets :

MCP23008, MCP23S08      

PCN Packaging :

Reel Design Update 07/May/2015       Packing Changes 10/Oct/2016      

Manuals :

Development Tools Catalog      

Reference Design Library :

GPIODM-KPLCD: 8/16-Bit GPIO Exp, 4x4 Keypad, LCD      

Design Resources :

MCP23S08 Development Tool Selector      

HTML Datasheet :

MCP23008, MCP23S08      

PCN Design/Specification :

MCP23008/MCP23S08 29/Mar/2019       MCP23008/MCP23S08 06/Jul/2022      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH